Answer
$Period=\frac{1}{440}~second\approx0.00227~second$
Work Step by Step
$Period=\frac{2\pi}{b}=\frac{2\pi}{880\pi}=\frac{1}{440}\approx0.00227$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.4 - Graphs of Sine and Cosine Functions - 6.4 Exercise - Page 466: 82a
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